Filesystem: Use a more unique filename in `wp_tempnam()` and `get_filesystem_method()`.

Using a filename which was generated from `time()` could cause two processes to try to use the same filename, causing unexpected behaviour.

Props jrchamp, bikecrazyy.
Fixes #42265.

Built from https://develop.svn.wordpress.org/trunk@42224


git-svn-id: http://core.svn.wordpress.org/trunk@42053 1a063a9b-81f0-0310-95a4-ce76da25c4cd
This commit is contained in:
Dion Hulse 2017-11-24 03:05:50 +00:00
parent e0b4933fdb
commit 4073743527
2 changed files with 3 additions and 3 deletions

View File

@ -624,7 +624,7 @@ function wp_tempnam( $filename = '', $dir = '' ) {
} }
if ( empty( $filename ) || '.' == $filename || '/' == $filename || '\\' == $filename ) { if ( empty( $filename ) || '.' == $filename || '/' == $filename || '\\' == $filename ) {
$filename = time(); $filename = uniqid();
} }
// Use the basename of the given file without the extension as the name for the temporary directory // Use the basename of the given file without the extension as the name for the temporary directory
@ -1466,7 +1466,7 @@ function get_filesystem_method( $args = array(), $context = '', $allow_relaxed_f
if ( ! $method ) { if ( ! $method ) {
$temp_file_name = $context . 'temp-write-test-' . time(); $temp_file_name = $context . 'temp-write-test-' . str_replace( '.', '-', uniqid( '', true ) );
$temp_handle = @fopen($temp_file_name, 'w'); $temp_handle = @fopen($temp_file_name, 'w');
if ( $temp_handle ) { if ( $temp_handle ) {

View File

@ -4,7 +4,7 @@
* *
* @global string $wp_version * @global string $wp_version
*/ */
$wp_version = '5.0-alpha-42222'; $wp_version = '5.0-alpha-42224';
/** /**
* Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema. * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.